Update zgen description
Update zgen description

unixorn/dotfiles.github.com,dotfiles/dotfiles.github.com,dotfiles/dotfiles.github.com,unixorn/dotfiles.github.com,unixorn/dotfiles.github.com,unixorn/dotfiles.github.com,dotfiles/dotfiles.github.com,dotfiles/dotfiles.github.com,dotfiles/dotfiles.github.com,unixorn/dotfiles.github.com